Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

2. In a lithium bromide absorption refrigeration system

3. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

4. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

5. Which of the following statement is correct?

6. The boiling point of ammonia is

7. Which of the following cycles uses air as the refrigerant?

8. On the pressure-enthalpy diagram, condensation and desuperheating is represented by a horizontal line because the process

9. The vapour compression refrigerator employs the following cycle

10. The freezing point of sulphur dioxide is


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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